JPS6134182B2 - - Google Patents
Info
- Publication number
- JPS6134182B2 JPS6134182B2 JP58064647A JP6464783A JPS6134182B2 JP S6134182 B2 JPS6134182 B2 JP S6134182B2 JP 58064647 A JP58064647 A JP 58064647A JP 6464783 A JP6464783 A JP 6464783A JP S6134182 B2 JPS6134182 B2 JP S6134182B2
- Authority
- JP
- Japan
- Prior art keywords
- memory
- processor
- processors
- control
- signal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 230000004044 response Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 8
- 230000006870 function Effects 0.000 description 4
- 230000000630 rising effect Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 230000001934 delay Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/14—Handling requests for interconnection or transfer
- G06F13/16—Handling requests for interconnection or transfer for access to memory bus
- G06F13/1605—Handling requests for interconnection or transfer for access to memory bus based on arbitration
- G06F13/1652—Handling requests for interconnection or transfer for access to memory bus based on arbitration in a multiprocessor architecture
- G06F13/1663—Access to shared memory
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Multi Processors (AREA)
- Memory System (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US390428 | 1982-06-21 | ||
US06/390,428 US4764865A (en) | 1982-06-21 | 1982-06-21 | Circuit for allocating memory cycles to two processors that share memory |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS58222363A JPS58222363A (ja) | 1983-12-24 |
JPS6134182B2 true JPS6134182B2 (es) | 1986-08-06 |
Family
ID=23542417
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP58064647A Granted JPS58222363A (ja) | 1982-06-21 | 1983-04-14 | 共用メモリの割振装置 |
Country Status (2)
Country | Link |
---|---|
US (1) | US4764865A (es) |
JP (1) | JPS58222363A (es) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0731662B2 (ja) * | 1986-07-15 | 1995-04-10 | 富士通株式会社 | マルチプロセッサシステム |
US5151986A (en) * | 1987-08-27 | 1992-09-29 | Motorola, Inc. | Microcomputer with on-board chip selects and programmable bus stretching |
EP0367702B1 (en) * | 1988-10-31 | 1995-11-08 | International Business Machines Corporation | Multiprocessing system and method for shared storage usage |
JP3222125B2 (ja) * | 1990-01-29 | 2001-10-22 | 株式会社日立製作所 | システム間データベース共用方式 |
JP3057934B2 (ja) * | 1992-10-30 | 2000-07-04 | 日本電気株式会社 | 共有バス調停機構 |
US5557783A (en) * | 1994-11-04 | 1996-09-17 | Canon Information Systems, Inc. | Arbitration device for arbitrating access requests from first and second processors having different first and second clocks |
US6122699A (en) * | 1996-06-03 | 2000-09-19 | Canon Kabushiki Kaisha | Data processing apparatus with bus intervention means for controlling interconnection of plural busses |
KR980004067A (ko) * | 1996-06-25 | 1998-03-30 | 김광호 | 멀티프로세서 시스템의 데이터 송수신장치 및 방법 |
US5845130A (en) * | 1996-09-11 | 1998-12-01 | Vlsi Technology, Inc. | Mailbox traffic controller |
US5860120A (en) * | 1996-12-09 | 1999-01-12 | Intel Corporation | Directory-based coherency system using two bits to maintain coherency on a dual ported memory system |
US6078997A (en) * | 1996-12-09 | 2000-06-20 | Intel Corporation | Directory-based coherency system for maintaining coherency in a dual-ported memory system |
US5860116A (en) * | 1996-12-11 | 1999-01-12 | Ncr Corporation | Memory page location control for multiple memory-multiple processor system |
US6941428B2 (en) * | 2002-09-25 | 2005-09-06 | International Business Machines Corporation | Memory controller optimization |
US8086741B2 (en) * | 2003-02-28 | 2011-12-27 | Microsoft Corporation | Method and system for delayed allocation of resources |
US20070294559A1 (en) * | 2004-10-25 | 2007-12-20 | Thomas Kottke | Method and Device for Delaying Access to Data and/or Instructions of a Multiprocessor System |
WO2016093579A1 (en) * | 2014-12-09 | 2016-06-16 | Samsung Electronics Co., Ltd. | Method and apparatus for controlling multiple processors to reduce current consumption |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5258432A (en) * | 1975-11-10 | 1977-05-13 | Nec Corp | Common bus control circuit |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3609700A (en) * | 1970-02-24 | 1971-09-28 | Burroughs Corp | Data processing system having an improved fetch overlap feature |
US3715729A (en) * | 1971-03-10 | 1973-02-06 | Ibm | Timing control for a multiprocessor system |
US3810110A (en) * | 1973-05-01 | 1974-05-07 | Digital Equipment Corp | Computer system overlap of memory operation |
US3921145A (en) * | 1973-10-12 | 1975-11-18 | Burroughs Corp | Multirequest grouping computer interface |
US4065809A (en) * | 1976-05-27 | 1977-12-27 | Tokyo Shibaura Electric Co., Ltd. | Multi-processing system for controlling microcomputers and memories |
US4164787A (en) * | 1977-11-09 | 1979-08-14 | Bell Telephone Laboratories, Incorporated | Multiple microprocessor intercommunication arrangement |
JPS564854A (en) * | 1979-06-22 | 1981-01-19 | Fanuc Ltd | Control system for plural microprocessors |
US4354227A (en) * | 1979-11-19 | 1982-10-12 | International Business Machines Corp. | Fixed resource allocation method and apparatus for multiprocessor systems having complementarily phased cycles |
-
1982
- 1982-06-21 US US06/390,428 patent/US4764865A/en not_active Expired - Lifetime
-
1983
- 1983-04-14 JP JP58064647A patent/JPS58222363A/ja active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5258432A (en) * | 1975-11-10 | 1977-05-13 | Nec Corp | Common bus control circuit |
Also Published As
Publication number | Publication date |
---|---|
US4764865A (en) | 1988-08-16 |
JPS58222363A (ja) | 1983-12-24 |
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